20 Fantasy Romance Books with Morally Grey Love Interests You Hate to Love

1. Daughter of the Forest by Juliet Marillier

Tension scale: 🔥🔥🔥

Spice scale: 🌶️ (Emotionally intense, not explicit)

Tropes: Fairy tale retelling, forbidden love, healer x warrior, slow burn

Goodreads rating: ★★★★☆ (4.30)

Why you’ll love him: A conflicted Briton warrior who shifts from captor to reluctant ally, and maybe more.

2. The Midnight Bargain by C.L. Polk

Tension scale: 🔥🔥🔥

Spice scale: 🌶️🌶️ (Soft steam, mostly emotional intimacy)

Tropes: Magical Regency, forbidden romance, arranged marriage avoidance

Goodreads rating: ★★★★☆ (3.77)

Why you’ll love him: A charming, duty-bound suitor whose loyalty makes him dangerous and irresistible.

3. The Hollow Gods by A.J. Vrana

Tension scale: 🔥🔥🔥🔥

Spice scale: 🌶️🌶️🌶️ (Dark and steamy)

Tropes: Monster romance, psychological horror, urban fantasy

Goodreads rating: ★★★★☆ (4.01)

Why you’ll love him: He’s literally a godlike monster who straddles myth and nightmare, and wants you anyway.

4. Bright Wicked by Everly Frost

Tension scale: 🔥🔥🔥🔥

Spice scale: 🌶️🌶️🌶️ (Steamy enemies to lovers)

Tropes: Assassin x target, secret identity, enemies to lovers

Goodreads rating: ★★★★☆ (4.11)

Why you’ll love him: A trained killer with a heart no one was supposed to touch.

5. The Queen’s Rising by Rebecca Ross

Tension scale: 🔥🔥

Spice scale: 🌶️ (Clean, focuses on emotional bonds)

Tropes: Secret past, political intrigue, mentor romance

Goodreads rating: ★★★★☆ (3.87)

Why you’ll love him: Brooding, strategic, and willing to burn kingdoms to protect her.

6. An Heir Comes to Rise by C.C. Peñaranda

Tension scale: 🔥🔥🔥🔥

Spice scale: 🌶️🌶️ (Swoony slow burn)

Tropes: Fae courts, chosen one, enemies to allies

Goodreads rating: ★★★★☆ (4.13)

Why you’ll love him: A fae warrior haunted by a violent past, hiding a vulnerable heart.

7. The Curse of Saints by Kate Dramis

Tension scale: 🔥🔥🔥🔥

Spice scale: 🌶️🌶️🌶️ (Some explicit scenes, lots of slow-burn tension)

Tropes: Enemies to lovers, forbidden magic, prophecy

Goodreads rating: ★★★★☆ (4.18)

Why you’ll love him: Dangerous, dark, and untrustworthy, but you’ll root for him anyway.

8. The Shadows Between Us by Tricia Levenseller (pre-ACOTAR TikTok favorite)

Tension scale: 🔥🔥🔥

Spice scale: 🌶️ (Clean, all tension and flirtation)

Tropes: Villain romance, court intrigue, power play

Goodreads rating: ★★★★☆ (4.01)

Why you’ll love him: The literal Shadow King who lets you get clos, —only to strike first.

9. House of Beating Wings by Olivia Wildenstein

Tension scale: 🔥🔥🔥🔥

Spice scale: 🌶️🌶️🌶️ (Steamy, not gratuitous)

Tropes: Hidden identity, fae realms, love triangle

Goodreads rating: ★★★★☆ (4.11)

Why you’ll love him: He might be the villain—or your salvation. Even he’s not sure.

10. The Ashes and the Star-Cursed King by Carissa Broadbent

Tension scale: 🔥🔥🔥🔥🔥

Spice scale: 🌶️🌶️🌶️🌶️ (Explicit)

Tropes: Captive x captor, vampire romance, slow burn

Goodreads rating: ★★★★☆ (4.30)

Why you’ll love him: Bloodthirsty, strategic, obsessed, and you love every bit of it.

11. The Foxglove King by Hannah Whitten

Tension scale: 🔥🔥🔥🔥

Spice scale: 🌶️🌶️ (Mostly longing, political tension, one steamy scene)

Tropes: Court intrigue, necromancer heroine, love triangle

Goodreads rating: ★★★★☆ (4.04)

Why you’ll love him: One brooding prince. One morally gray priest. Who will she burn for?

12. Divine Blood by Beck Michaels

Tension scale: 🔥🔥🔥🔥

Spice scale: 🌶️🌶️🌶️ (Medium-high heat)

Tropes: Ancient bloodlines, reluctant hero, enemies to lovers

Goodreads rating: ★★★★☆ (4.35)

Why you’ll love him: He doesn’t want to be the hero. He’s too busy hiding what he’s already done.

13. The Serpent in Heaven by Charlaine Harris (Gunnie Rose series)

Tension scale: 🔥🔥🔥

Spice scale: 🌶️🌶️ (Mature themes, moderate intimacy)

Tropes: Gunslinger heroine, magic system, forbidden romance

Goodreads rating: ★★★★☆ (3.87)

Why you’ll love him: Aloof, calculating, magical, and constantly one step ahead.

14. The Nightborn Duet by Jessica Rubinkowski

Tension scale: 🔥🔥🔥🔥

Spice scale: 🌶️🌶️ (Clean but intense romantic buildup)

Tropes: Magic-born rebellion, chosen one, enemies to reluctant lovers

Goodreads rating: ★★★★☆ (4.00 avg)

Why you’ll love him: A revolutionary with shadowy secrets who might burn the world to protect you.

15. Blood Mercy by Vela Roth

Tension scale: 🔥🔥🔥🔥🔥

Spice scale: 🌶️🌶️🌶️🌶️ (High spice, slow burn build)

Tropes: Vampire royalty, forbidden romance, political chess

Goodreads rating: ★★★★☆ (4.38)

Why you’ll love him: Cold, cruel, and calculated, but always watching you like you’re his only light.

16. Among Thieves by M.J. Kuhn

Tension scale: 🔥🔥🔥

Spice scale: 🌶️ (Low steam, high tension)

Tropes: Heist crew, betrayal, enemies to allies

Goodreads rating: ★★★★☆ (3.88)

Why you’ll love him: He’ll betray you with a smile, and you’ll still root for him.

17. Beneath Black Sails by Clare Sager

Tension scale: 🔥🔥🔥🔥

Spice scale: 🌶️🌶️🌶️ (Steamy pirate romance)

Tropes: Pirate x spy, enemies to lovers, secret identities

Goodreads rating: ★★★★☆ (4.18)

Why you’ll love him: A pirate captain who plays every angle, until love wrecks his plans.

18. Power of Five by Alex Lidell

Tension scale: 🔥🔥🔥🔥

Spice scale: 🌶️🌶️🌶️🌶️ (Reverse harem, high steam)

Tropes: Fae warriors, bonded mates, found family, harem

Goodreads rating: ★★★★☆ (4.10)

Why you’ll love them: Morally gray and fiercely loyal... but only to you.

19. The Raven and the Dove by Kaitlyn Davis

Tension scale: 🔥🔥🔥

Spice scale: 🌶️🌶️ (Low-to-medium steam)

Tropes: Star-crossed lovers, winged royalty, prophecy

Goodreads rating: ★★★★☆ (4.12)

Why you’ll love him: A prince with secrets, caught between duty and desire.

20. Ruthless Fae by Caroline Peckham & Susanne Valenti (Zodiac Academy #2)

Tension scale: 🔥🔥🔥🔥🔥

Spice scale: 🌶️🌶️🌶️🌶️ (High heat, slow burn, emotionally intense)

Tropes: Enemies to lovers, fae college, bully romance, found family

Goodreads rating: ★★★★☆ (4.33)

Why you’ll love him: He’s arrogant, powerful, and utterly obsessed, with destroying you… or falling for you.

Final Thoughts

Morally gray love interests are the heart of fantasy romance. They challenge our heroines, blur the lines between right and wrong, and leave us screaming into the void when they finally let their guard down. If you love your romance with teeth, these are the books to read next.